---
title: "T500 Contaminant Conceptual Site Modelling"
ocid: "ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DEFRA COMMERCIAL"
published: "2026-02-24"
---

# T500 Contaminant Conceptual Site Modelling

Buyer: DEFRA COMMERCIAL  
Current stage: Award  
OCID: ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0.json)

## Summary

The procurement process, overseen by Defra Commercial, focused on the "T500 Contaminant Conceptual Site Modelling" contract within the consultative engineering and construction services industry. Located primarily in London, with delivery anticipated across a variety of regions including Channel Islands and the United Kingdom, the procurement reached the award stage as of 24th February 2026. Noteworthy dates include the tender period ending on 1st November 2025 and the contract execution from 1st December 2025 to 1st October 2026. The procurement method utilised was direct with a single tender action, below the threshold.

This tender offers significant opportunities for businesses involved in consultative engineering and construction services, particularly those that are small and medium enterprises (SMEs) or voluntary, community, and social enterprises (VCSEs), given the suitability requirements. Stephen Buss Environmental Consulting Ltd successfully secured the contract with a value of £6,050.20 GBP, highlighting potential growth opportunities for similar businesses with expertise in environmental consulting. The contract encompasses work across diverse geographical locations, presenting an expansion prospect for businesses with the capability to deliver services beyond local boundaries.

## Notice

T500 Contaminant Conceptual Site Modelling

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/0ab29d7b-4295-4dce-a7d3-5dd7153d80b8 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Single tender action (below threshold) |
| Tender suitability | SME, VCSE |
| Awardee scale | Not specified |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 24 Feb 2026 |
| Submission deadline | 1 Nov 2025 |
| Future notice date | Not specified |
| Award date | 24 Feb 2026 |
| Contract period | 1 Dec 2025 - 1 Oct 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £6,050 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DEFRA COMMERCIAL |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1P 4DF |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | STEPHEN BUSS ENVIRONMENTAL CONSULTING |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71310000 - Consultative engineering and construction services

## Release History

- 24 Feb 2026 at 17:50 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/0ab29d7b-4295-4dce-a7d3-5dd7153d80b8

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/0ab29d7b-4295-4dce-a7d3-5dd7153d80b8
  24th February 2026 - Awarded contract notice on Contracts Finder

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-4030e476-55aa-4b73-bd72-676c27e874d0.json.